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 class ApplicationController < ActionController::Base

   include SessionHandler

   protect_from_forgery

   layout "content"

   helper :all # include all helpers in the views, all the time

   before_filter :set_locale, :set_markus_version, :set_remote_user

   # check for active session on every page

   before_filter :authenticate, :except => [:login, :page_not_found]

   def default_url_options(options={})

     { :locale => I18n.locale }

   end

   protected

   # Set version for MarkUs to be available in

   def set_markus_version

     version_file=File.expand_path(File.join(::Rails.root.to_s, "app", "MARKUS_VERSION"))

     if !File.exist?(version_file)

       @markus_version = "unknown"

     end

     content = File.new(version_file).read

     version_info = Hash.new

     content.split(',').each do |token|

       k,v = token.split('=')

       version_info[k.downcase] = v

     end

     @markus_version = "#{version_info["version"]}.#{version_info["patch_level"]}"

   end

   def set_remote_user

     if !request.env["HTTP_X_FORWARDED_USER"].blank?

       @markus_auth_remote_user = request.env["HTTP_X_FORWARDED_USER"]

     end

   # Set locale according to URL parameter. If unknown parameter is

   # requested, fall back to default locale.

   def set_locale

     @available_locales = AVAILABLE_LANGS if @available_locales.nil?

     I18n.locale = params[:locale] || I18n.default_locale # for now, always

                                                           # resorts to

     locale_path = File.join(LOCALES_DIRECTORY, "#{I18n.locale}.yml")

     unless I18n.load_path.include? locale_path

       I18n.load_path << locale_path

     end

   # handle unknown locales